STEEM mining ended a while back. You can only mine Steem Power now and you can "Power Down" to cash out, which takes 104 weeks total. While that's going on you're earning interest on your SP, so you could possibly cash all of your mined SP out and still not affect your balance.
Why Steem Power instead of Steem? You can't buy or sell Steem Power can you? So there is no way to cash in mining rewards?
STEEM mining ended a while back. You can only mine Steem Power now and you can "Power Down" to cash out, which takes 104 weeks total. While that's going on you're earning interest on your SP, so you could possibly cash all of your mined SP out and still not affect your balance.